diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index ab7efad89..f6ed68f69 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -98,7 +98,7 @@ jobs:
         run: |
           echo "datew=$(date '+%Y-%V')" >> $GITHUB_OUTPUT
       - name: cache for pip
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: |
@@ -156,7 +156,7 @@ jobs:
         run: |
           echo "datew=$(date '+%Y-%V')" >> $GITHUB_OUTPUT
       - name: cache for pip
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index aa45f751c..04c69dfcc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -40,7 +40,7 @@ jobs:
         with:
           python-version: 3.8
       - name: Cache for pip
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: |